Finding the Fourth Proportional to 11,618,295.87, 16,036,624.75 and 7,750,807.49
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Solution
The fourth proportional to 11,618,295.87, 16,036,624.75 and 7,750,807.49 is: 10,698,366.83
Step by Step Solution
- Step 1: Write the proportion equation
11,618,295.87 : 16,036,624.75 = 7,750,807.49 : x - Step 2: Convert to fraction form
11,618,295.87/16,036,624.75 = 7,750,807.49/x - Step 3: Cross multiply
11,618,295.87x = 16,036,624.75 × 7,750,807.49 - Step 4: Simplify right side
11,618,295.87x = 124,296,791,187,865.34 - Step 5: Solve for x
x = 124,296,791,187,865.34/11,618,295.87 - Step 6: Final answer
x = 10,698,366.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.